CVE-2024-2581 in AC10
Summary
by MITRE • 03/18/2024
A vulnerability was found in Tenda AC10 16.03.10.13 and classified as critical. This issue affects the function fromSetRouteStatic of the file /goform/SetStaticRouteCfg. The manipulation of the argument list leads to stack-based buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-257081 was assigned to this vulnerability.
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Analysis
by VulDB Data Team • 01/23/2025
The vulnerability identified as CVE-2024-2581 represents a critical stack-based buffer overflow in the Tenda AC10 router firmware version 16.03.10.13. This flaw exists within the fromSetRouteStatic function of the /goform/SetStaticRouteCfg file, which is part of the web-based administrative interface. The vulnerability stems from improper input validation and bounds checking when processing the argument list parameter, creating a condition where an attacker can overflow the allocated stack buffer through crafted malicious input. The stack-based buffer overflow vulnerability falls under CWE-121 which specifically addresses stack-based buffer overflow conditions that occur when a program writes data beyond the bounds of a fixed-length stack buffer. This type of vulnerability is particularly dangerous because it can be exploited to overwrite adjacent stack memory locations including return addresses and function pointers, potentially allowing for arbitrary code execution or system crash.
The operational impact of this vulnerability extends beyond typical network device security concerns due to its remote exploitability and the disclosed public exploit. Attackers can leverage this flaw through the web interface of the router without requiring physical access or local network credentials, making it a significant threat to network infrastructure. The vulnerability's classification as critical indicates that it can be easily exploited and can result in complete system compromise, potentially allowing attackers to gain full administrative control over the device. The fact that the exploit has been disclosed to the public and is actively being used in the wild significantly increases the risk to affected networks. The Tenda AC10 model's widespread deployment in residential and small office environments means that numerous devices could be potentially compromised, creating opportunities for attackers to establish persistent access points or use the devices as launch platforms for further attacks. This vulnerability directly maps to ATT&CK technique T1059.007 for Command and Scripting Interpreter and T1046 for Network Service Scanning, as compromised devices could be used for lateral movement and reconnaissance activities.
The mitigation strategies for CVE-2024-2581 should prioritize immediate firmware updates from Tenda, as this is the most effective way to address the root cause of the vulnerability. Network administrators should also implement network segmentation and access controls to limit potential attack surfaces, particularly by restricting remote access to administrative interfaces. Additional protective measures include deploying intrusion detection systems to monitor for exploitation attempts, implementing network access control lists to restrict access to the affected web interface, and conducting thorough network assessments to identify any potential compromise. Security teams should also consider disabling unnecessary services and ensuring that only authorized personnel have access to the administrative interfaces. The vulnerability's nature as a stack-based buffer overflow makes it particularly susceptible to exploitation through techniques such as return-oriented programming or stack pivoting, which further emphasizes the need for immediate remediation. Organizations should also implement continuous monitoring for unusual network traffic patterns that might indicate exploitation attempts and maintain up-to-date threat intelligence regarding this specific vulnerability. The combination of remote exploitability and public disclosure means that affected organizations must treat this vulnerability as an immediate priority rather than a routine security update.